Thunderstorms with strong winds and hail are possible across portions of central and northern Wisconsin Sunday afternoon and early evening. Keep up with the latest forecast and make sure you have multiple methods to receive severe weather information.
Severe Weather Outlook for Sunday
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Local Hazardous Weather Outlook
Note: Product updated daily by 6 AM and as needed during the day.
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Hazardous Weather Outlook
National Weather Service Green Bay WI
239 PM CDT Fri Jul 4 2025
WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-051945-
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano-
Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago-
Calumet-Manitowoc-Southern Marinette County-
Southern Oconto County-
239 PM CDT Fri Jul 4 2025
This Hazardous Weather Outlook is for north-central and northeast
Wisconsin.
.DAY ONE...Tonight
Although most of the region will remain dry, isolated
thunderstorms are possible through early this evening. A strong
storm is possible that could produce small hail and gusty winds.
Very warm and muggy conditions will result in heat indices in
the middle to upper 90s over central and northeast Wisconsin
through early this evening. Those with outdoor plans should take
precautions for the heat.
.DAYS TWO THROUGH SEVEN...Saturday through Friday
Very warm and muggy conditions will persist over eastern
Wisconsin on Saturday.
Gusty winds and high waves will lead to dangerous swimming
conditions for the Lake Michigan beaches across Door, Kewaunee,
and Manitowoc counties Saturday afternoon and Saturday night.
Thunderstorms are expected on Saturday and Saturday evening. A
few strong to severe storms are possible that could produce
damaging wind gusts. Heavy rainfall is also possible that could
produce localized urban flooding and flooding in low lying areas.
There is an increased risk of rip currents on Lake Michigan
beaches on Saturday afternoon and Saturday night.
.SPOTTER INFORMATION STATEMENT...
Spotters are requested to report any wind gusts over 40 mph or
hail greater than a half inch in diameter to the National Weather
Service in Green Bay.
$$
LMZ521-522-541>543-051945-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
239 PM CDT Fri Jul 4 2025
This Hazardous Weather Outlook is for portions of northwest Lake
Michigan and the waters of Green Bay.
.DAY ONE...Tonight
There is a small chance of thunderstorms this evening. Any
thunderstorms could pose a hazard to boaters.
.DAYS TWO THROUGH SEVEN...Saturday through Friday
Gusty winds and high waves will lead to conditions hazardous to
small craft Saturday afternoon and Saturday night on the Lake
Michigan nearshore waters and small craft should exercise caution
on the bay of Green Bay.
Thunderstorms are expected Saturday afternoon through Saturday
night. Any storms that develop will pose a threat to mariners.
Persistent south winds and building waves may result in conditions
hazardous to small craft on Lake Michigan Saturday afternoon and
Saturday night.
$$
Kurimski
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